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2019-05-27
A Closed Universe with Maximum Life-Time
Salah HaggagSamy A. Abdel-HafeezMoutaz Ramadan
文献摘要
A closed universe with maximum life-time is constructed using optimal control. Einstein’s field equations are used with varying cosmological “constant”. The second time derivative of the Hubble parameter acts as the control function in the optimal control model.
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